1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Blashke Island

Occurrence in Alaska, United States with commodities Copper, Platinum, Palladium, Cobalt
Map
XML
JSON
KML
C
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10038113
MRDS ID M045395
Record type Site
Current site name Blashke Island

Geographic coordinates

Geographic coordinates: -132.90185, 56.13306 (WGS84)
Relative position 35 MI. SE POINT BAKER, P. WALES ISLAND

Site location context

Political divisions (FIPS codes)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Petersburg A-3 NW(quadrangle 1:24,000 scale)

Petersburg S(quadrangle 1:100,000 scale)

Petersburg(quadrangle 1:250,000 scale)

Federal lands

Tongass National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Tertiary
Platinum Critical Tertiary
Palladium Critical Tertiary
Cobalt Critical Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Ore

Analytical data

Result CONCENTRATIONS IN PPM, PT= .010, PD= .010, CLARK & GREENWOOD 1972

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Peridotite > Dunite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite

Nearby scientific data

(1) -132.90185, 56.13306
ListMap

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    CLARK AND GREENWOOD, 1972, USGS PROF. PAPER 800C, P. C159

  • Deposit

    KENNEDY AND WALTON, 1946B, P. 78 (B947-D)

  • Deposit

    BERG AND COBB, 1967, P. 183 (B1246)

  • Deposit

    WALTON, 1951, P. 16-205 (OF 126)

  • Deposit

    5) COBB, 1972 (MF 415)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1975 Blair, Will N. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.